Radiant|Lab Grown|IGI

7.18ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG627455397

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG627455397

Diamond specifications and retailer prices

From £603 GBP
$808 USD
As of October 30, 2026
Save £3,673 GBP (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,276 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 7.18ct lab-grown radiant diamond

This 7.18ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG627455397 or 627455397. Listed at 19 retailers as of October 29, 2026, with prices from £603 to £4,276, a £3,673 spread on the same certified stone. Brilliant Earth lists it at £4,276. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

7.18
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627455397
Dimensions13.41 × 9.55 × 6.51 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.41 mm9.55 mm7.18 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627455397
Side View
Table 65.0%Crown 31.6°Girdle: MediumPavilion 35.4°Culet: NoneDepth 68.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £4,276 GBP|Low: £603 GBP|High: £4,403 GBP|Avg: £1,721 GBP|-2.9%
Brilliant Earth
Retailer 2
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Retailer 19
October 30, 2026
Retailer 4£603 GBP
Retailer 15£656 GBP
Retailer 6£700 GBP
Retailer 19£700 GBP
Retailer 12£832 GBP
Retailer 3£837 GBP
Retailer 2£1,072 GBP
Retailer 7£1,099 GBP
Retailer 9£1,129 GBP
Retailer 14£1,216 GBP
Retailer 16£1,664 GBP
Retailer 5£1,967 GBP
Retailer 13£2,172 GBP
Retailer 10£2,189 GBP
Retailer 8£2,223 GBP
Retailer 11£2,421 GBP
Retailer 17£2,637 GBP
Retailer 18£3,422 GBP
Brilliant Earth£4,276 GBP

38 data points across 19 retailers

19 retailers£603 GBP to £4,276 GBP

A
Cheapest Retailer
-
£603 GBP
$808 USD
A
Retailer 2
-
£656 GBP
$879 USD
View
A
Retailer 3
-
£700 GBP
$938 USD
View
Retailer 4
-
£700 GBP
$938 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
£832 GBP
$1,115 USD
View
Retailer 6
-
£837 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
£1,072 GBP
View
A
Retailer 8
-
£1,099 GBP
$1,473 USD
View
B+
Retailer 9
-
£1,129 GBP
$1,513 USD
View
Retailer 10
-
£1,216 GBP
€1,552 EUR
View
Price last confirmed 7 days ago
A
Retailer 11
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£1,664 GBP
$2,230 USD
View
B+
Retailer 12
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£1,967 GBP
$2,636 USD
View
B+
Retailer 13
-
£2,172 GBP
View
B+
Retailer 14
-
£2,189 GBP
$2,933 USD
View
B+
Retailer 15
-
£2,223 GBP
$2,979 USD
View
Retailer 16
-
£2,421 GBP
$3,244 USD
View
Price last confirmed 12 days ago
B+
Retailer 17
-
£2,637 GBP
View
B
Retailer 18
-
£3,422 GBP
$4,585 USD
View
Most Expensive
B
Brilliant Earth
9813079A · Oct 29
£4,276 GBP
$5,730 USD
View
18 more retailers have this diamond
Prices start from £603 GBPSave up to £3,673 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
7.18ct Radiant
£603 GBP